CN220204020U - Cold start preheating device for engine - Google Patents
Cold start preheating device for engine Download PDFInfo
- Publication number
- CN220204020U CN220204020U CN202321571817.5U CN202321571817U CN220204020U CN 220204020 U CN220204020 U CN 220204020U CN 202321571817 U CN202321571817 U CN 202321571817U CN 220204020 U CN220204020 U CN 220204020U
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- China
- Prior art keywords
- engine
- shell
- adapter
- temperature sensor
- controller
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- 238000005485 electric heating Methods 0.000 claims abstract description 40
- 238000013461 design Methods 0.000 claims description 15
- 210000001503 joint Anatomy 0.000 claims description 8
- 238000012544 monitoring process Methods 0.000 claims description 5
- 238000004891 communication Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 13
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 238000009434 installation Methods 0.000 description 5
- 238000002485 combustion reaction Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910018487 Ni—Cr Inorganic materials 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- VNNRSPGTAMTISX-UHFFFAOYSA-N chromium nickel Chemical compound [Cr].[Ni] VNNRSPGTAMTISX-UHFFFAOYSA-N 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Landscapes
- Combined Controls Of Internal Combustion Engines (AREA)
Abstract
The utility model discloses an engine cold start preheating device which comprises a shell, an electric heating element, a first temperature sensor, a second temperature sensor, a controller, a first adapter and a second adapter. The shape of the shell is cylindrical, the inner wall is spiral, and the outer wall is of a radiating fin structure, so that the contact area between air and the inner wall of the shell can be increased, and the preheating effect is improved. The electric heating element, the first temperature sensor, the second temperature sensor and the controller are integrated on the circuit board, the circuit board is arranged in the shell, the preheating effect can be adjusted according to actual conditions, the working efficiency of the engine is improved, and the service life of the engine is prolonged. The inlet end of the shell is connected with the outlet of the air filter through the first adapter, and the outlet end of the shell is connected with the air inlet of the engine through the second adapter.
Description
Technical Field
The utility model relates to an engine starting technology, in particular to an engine cold start preheating device.
Background
In cold start, the engine, especially diesel engine, has low ambient temperature, so that the fuel is not combusted fully in the cylinder, and the engine is difficult or even impossible to start. In order to solve the problem, a preheating device is additionally arranged in an air inlet system of the engine, and the temperature in a cylinder is increased by preheating air inlet, so that the combustion condition of fuel is improved, and the cold starting performance of the engine is improved.
The existing preheating device generally converts electric energy into heat energy through an electric heating element, and the heat energy is transferred to air inlet through the preheating device, so that the temperature of the air inlet is increased. However, the preheating effect of the preheating device is affected by the operating state of the electric heating element, which is affected by the power supply voltage, and therefore, when the power supply voltage is unstable, the preheating effect is also affected.
In addition, the existing preheating device is generally fixedly installed on an air inlet pipe of an engine, which requires that the shape and size of the preheating device must be matched with those of the air inlet pipe, which limits the versatility of the preheating device to some extent. Meanwhile, as the preheating device is directly connected with the air inlet pipeline, the heat dissipation effect of the preheating device directly influences the temperature of air inlet, and if the heat dissipation effect of the preheating device is not good, the air inlet temperature can be possibly too high, and the working efficiency of the engine is influenced.
Disclosure of Invention
In order to solve the problems in the prior art, the embodiment of the utility model provides an engine cold start preheating device. The technical scheme is as follows:
in one aspect, an engine cold start preheating device is provided, which comprises a shell, an electric heating element, a first temperature sensor, a second temperature sensor, a controller, a first adapter and a second adapter, wherein the shell is cylindrical, the inner wall of the shell is spiral, and the outer wall of the shell is of a radiating fin structure; the electric heating element, the first temperature sensor, the second temperature sensor and the controller are integrated on a circuit board, and the circuit board is arranged in the shell; the inlet end of the shell is connected with the outlet of the air filter through the first adapter, and the outlet end of the shell is connected with the air inlet of the engine through the second adapter.
Further, the electric heating element is in a spiral shape to increase the contact area and improve the thermal efficiency; the electric heating element is connected with the controller through a circuit of the circuit board.
Further, the first temperature sensor is used for monitoring the temperature of the air inlet, is arranged at the inlet end of the shell, and the second temperature sensor is used for monitoring the temperature of the electric heating element, is arranged in the shell and is in close contact with the electric heating element; the first temperature sensor and the second temperature sensor are connected with the controller through a circuit board, and the temperature readings are transmitted to the controller.
Further, one end of the first adapter is in butt joint with the inlet end of the shell, and the other end of the first adapter is in butt joint with the outlet of the air filter; one end of the second adapter is in butt joint with the outlet end of the shell, and the other end of the second adapter is in butt joint with an air inlet of the engine.
Further, the shape and size of the first adapter and the second adapter are customized according to the specific design of the connection portion.
Further, the controller is connected with the electric heating element, the first temperature sensor and the second temperature sensor through the circuit board.
Further, the controller is also connected with an electrical system of the vehicle through an electric wire to obtain electric power.
Further, the controller is also in communication with the engine control unit to obtain the operating state information of the engine.
The technical scheme provided by the embodiment of the utility model has the beneficial effects that:
according to the engine cold start preheating device, through the arrangement of the electric heating element, the temperature sensor and the controller, the air inlet temperature and the temperature of the electric heating element can be monitored in real time, the preheating effect is adjusted according to actual conditions, the combustion efficiency is improved, and the engine is started smoothly. In addition, the utility model has simple structure, convenient installation and high efficiency, and can meet the actual demands.
Particularly, the design of the shell enables air to form spiral flow when passing through, so that the contact area of the air and the electric heating element is increased, and the heat exchange efficiency is improved. The heat radiation fin structure of the outer wall of the shell can effectively radiate heat generated by the electric heating element, prevent the shell from overheating and ensure the safe operation of the equipment.
In addition, the design of first adapter and second adapter makes preheating device can be conveniently with air cleaner and engine air inlet connection, has improved the commonality and the suitability of equipment for preheating device can be applicable to the engine of different models, has satisfied different user's demands.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is an internal schematic view of an engine cold start preheating apparatus according to an embodiment of the present utility model;
FIG. 2 is a schematic view of an external wall of an engine cold start preheating apparatus according to an embodiment of the present utility model;
fig. 3 is a schematic block diagram of an engine cold start preheating device according to an embodiment of the present utility model.
In the figure, 1 is a shell, 11 is an inlet end of the shell, 12 is an outlet end of the shell, 13 is a radiating fin structure, 2 is an electric heating element, 3 is a first temperature sensor, 4 is a second temperature sensor, 5 is a controller, 6 is a first adapter, and 7 is a second adapter.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, the embodiments of the present utility model will be described in further detail with reference to the accompanying drawings.
The utility model provides an engine cold start preheating device, referring to fig. 1-2, comprising a shell 1, an electric heating element 2, a first temperature sensor 3, a second temperature sensor 4, a controller 5, a first adapter 6 and a second adapter 7.
The shape of the shell 1 is cylindrical, the inner wall is spiral, and the outer wall is a radiating fin structure 13, so that the radiating area is increased, and the radiating efficiency is improved. The inlet end 11 of the housing 1 is connected to the outlet of the air cleaner via the first adapter 6 and the outlet end 12 is connected to the inlet of the engine via the second adapter 7. The shape and size of the first adapter 6 and the second adapter 7 are customized according to the specific design of the connection portion to ensure tight connection of the housing 1 with the air cleaner and the engine. The housing 1 is made of a high-strength, heat-resistant stainless steel material to ensure its stability and durability under high-temperature environments. The design of casing 1 is in order to solve current preheating device installation difficulty, the not high problem of efficiency, through optimal design, has improved preheating efficiency and device's stability.
The heating element 2 has a spiral shape to increase a contact area and improve thermal efficiency. The electric heating element 2 is connected with the controller 5 through the circuit of the circuit board, and when the controller 5 receives the starting signal, the electric heating element 2 starts to work to heat the air flowing through the shell 1. The electric heating element 2 adopts a common electric heating wire in the market, such as nickel-chromium wire, and has high resistivity, high temperature resistance and long service life. The design of the electric heating element 2 is to solve the problem that the preheating effect of the existing preheating device cannot be adjusted according to actual conditions, and through the optimal design, the preheating efficiency and the stability of the device are improved.
The first temperature sensor 3 is configured to monitor an intake air temperature and is disposed at an inlet end 11 of the housing 1. The second temperature sensor 4 is used for monitoring the temperature of the electric heating element 2, and is arranged inside the shell 1 and is in close contact with the electric heating element 2. The first temperature sensor 3 and the second temperature sensor 4 are connected with the controller 5 through a circuit board, and transmit temperature readings to the controller 5. The temperature sensors 3 and 4 can adopt NTC thermistors commonly used in the market, and have high temperature sensitivity and high response speed, and can accurately monitor temperature change. The first temperature sensor 3 and the second temperature sensor 4 are designed to solve the problem that the existing preheating device cannot accurately monitor the temperature, and through the optimized design, the accuracy and the response speed of temperature monitoring are improved
The controller 5 is connected with the electric heating element 2, the first temperature sensor 3 and the second temperature sensor 4 through circuit boards, and at the same time, the controller 5 is also connected with the electrical system of the vehicle through wires to obtain electric power. The controller 5 may employ a commercially available microcontroller, such as an Arduino or a rareberry Pi, which has a powerful processing capability and a rich interface, and can conveniently communicate and control with other devices. The design of the controller 5 aims to solve the problem that the preheating effect of the existing preheating device cannot be adjusted according to actual conditions, and improves the preheating efficiency and the installation through the optimized design
The shape and size of the first adapter 6 and the second adapter 7 are customized according to the specific design of the connection portion to ensure tight connection of the housing 1 with the air cleaner and the engine. One end of the first adapter 6 is in butt joint with an inlet end 11 of the shell 1, and the other end is in butt joint with an outlet of the air filter; one end of the second adapter 7 is docked with the outlet end 12 of the housing 1 and the other end is docked with the air intake of the engine. The first adapter 6 and the second adapter 7 are made of a heat-resistant, corrosion-resistant material, such as stainless steel or high-strength plastic, to ensure stability and durability thereof under various environments. The design of the first adapter 6 and the second adapter 7 is to solve the problem of difficult installation of the existing preheating device, and through the optimized design, the installation convenience and stability of the device are improved.
Therefore, the engine cold start preheating device has the following beneficial effects:
through setting up electric heating element, temperature sensor and controller, can adjust the preheating effect according to actual conditions, improve the work efficiency of engine, prolong the life of engine.
Through setting up the adapter, can realize preheating device and the connection of the air inlet duct of different shapes and sizes, improve preheating device's commonality.
Through set up the heat radiation fin structure at the outer wall of casing, can improve preheating device's radiating effect, prevent that the air inlet temperature is too high, influence the work efficiency of engine.
Through setting up spiral shells inner wall, can increase the area of contact of air and shells inner wall, improve the preheating effect.
By arranging two independent temperature sensors, the temperature of the air inlet and the temperature of the electric heating element can be monitored simultaneously, and the accuracy of the preheating effect is improved.
Meanwhile, in the present embodiment, a schematic block diagram of the engine cold start preheating device is provided, see fig. 3.
In practice, when the driver starts the vehicle, the engine control unit will send a start signal to the controller 5. Upon receiving the activation signal, the controller 5 controls the electric heating element 2 to start operating, and heats the air flowing through the housing 1. Meanwhile, the first temperature sensor 3 and the second temperature sensor 4 monitor the intake air temperature and the temperature of the electric heating element 2 in real time, and transmit temperature readings to the controller 5. The controller 5 adjusts the operating state of the electric heating element 2 according to the temperature reading to ensure that the intake air temperature is within a proper range, thereby improving combustion efficiency, reducing wear during cold start, and prolonging the service life of the engine.
For example, when the vehicle is parked in a cold environment, the intake air temperature may be lower than the normal operating temperature of the engine. At this time, the controller 5 controls the electric heating element 2 to operate at the maximum power to raise the intake air temperature to a proper range as soon as possible. When the intake air temperature reaches a suitable range, the controller 5 adjusts the operating state of the electric heating element 2 according to the readings of the first temperature sensor 3 and the second temperature sensor 4 to keep the intake air temperature within the range.
Meanwhile, when the vehicle is parked in a hot environment, the intake air temperature may be higher than the normal operating temperature of the engine. At this time, the controller 5 controls the electric heating element 2 to stop working, so as to prevent the air intake temperature from being too high and influence the working efficiency of the engine.
The foregoing is only illustrative of the present utility model and is not to be construed as limiting thereof, but rather as various modifications, equivalent arrangements, improvements, etc., within the spirit and principles of the present utility model.
Claims (8)
1. The cold start preheating device for the engine is characterized by comprising a shell, an electric heating element, a first temperature sensor, a second temperature sensor, a controller, a first adapter and a second adapter, wherein the shell is cylindrical, the inner wall of the shell is spiral, and the outer wall of the shell is of a radiating fin structure; the electric heating element, the first temperature sensor, the second temperature sensor and the controller are integrated on a circuit board, and the circuit board is arranged in the shell; the inlet end of the shell is connected with the outlet of the air filter through the first adapter, and the outlet end of the shell is connected with the air inlet of the engine through the second adapter.
2. The engine cold start preheating apparatus of claim 1, wherein the electric heating element is in a spiral shape to increase a contact area and improve thermal efficiency; the electric heating element is connected with the controller through a circuit of the circuit board.
3. The engine cold start preheating apparatus according to claim 1, wherein the first temperature sensor is configured to monitor an intake air temperature, and is disposed at an inlet end of the housing; the second temperature sensor is used for monitoring the temperature of the electric heating element, is arranged in the shell and is in close contact with the electric heating element; the first temperature sensor and the second temperature sensor are connected with the controller through a circuit board, and the temperature readings are transmitted to the controller.
4. The engine cold start preheating apparatus of claim 1, wherein one end of the first adapter interfaces with an inlet end of the housing and the other end interfaces with an outlet of an air cleaner; one end of the second adapter is in butt joint with the outlet end of the shell, and the other end of the second adapter is in butt joint with an air inlet of the engine.
5. The engine cold start preheating apparatus of claim 1, wherein the shape and size of the first adapter and the second adapter are customized according to the specific design of the connection portion.
6. The engine cold start preheating apparatus of claim 1, wherein the controller is connected to the electric heating element, the first temperature sensor and the second temperature sensor through a circuit board.
7. The engine cold start warm-up device of claim 1, wherein the controller is further connected to an electrical system of the vehicle by an electrical line to obtain electrical power.
8. The engine cold start warm-up device of claim 1, wherein the controller is further in communication with an engine control unit to obtain engine operating state information.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321571817.5U CN220204020U (en) | 2023-06-19 | 2023-06-19 | Cold start preheating device for engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321571817.5U CN220204020U (en) | 2023-06-19 | 2023-06-19 | Cold start preheating device for engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220204020U true CN220204020U (en) | 2023-12-19 |
Family
ID=89154172
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321571817.5U Active CN220204020U (en) | 2023-06-19 | 2023-06-19 | Cold start preheating device for engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220204020U (en) |
-
2023
- 2023-06-19 CN CN202321571817.5U patent/CN220204020U/en active Active
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